Perhaps you should try some spelling variations:
gain yang » dan yang, daun yang, yin yang
yan jing » yang jing, wang jing, bian jing
tan yang » dan yang, tan ying, tan yong
gang hai » dang hai, shang hai, eang hay
nan yan » nan ya, wang yan, qian yan
jing ji » ying jin
i gang » ii gang, li gang, yi gang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: nan yan jing ji ((gain yang) or (tan yang)) i gang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nan yan jing ji ((gain yang) OR (tan yang)) i gang hai ;.
• Adding a wildcard symbol may retrieve word variants: nan yan jing ji ((gain yang) or (tan yang)) i gang hai ;*.